Xian terra biochem Co., ltd is a international company specialized in R&D, Production and Sales in Pharmacetical raw material, nutritional, cosmetic and biochemical products. Our main products as silymarin, ginkgo Biloba extract, Troxerutin, Diosmin Berberine HCL, Quercetin, Ecdysteron, Baicalin, Bromelain ,Galantamine hydrobromide, Bergeninum, Capsaicin and Topiramate.All the products are strictly with the GMP regulations and we have complet...